Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 43
n open question, and one dependent almost entirely upon the economy of the steam-generating and steam-using ap- paratus in the station, it did not enter seriously into the con- sideration of design of plant under the existing conditions. The Imperial plant was already in operation, with a… … Fig. 3. Motor-Driven Arc Dynamos. the entire plant. It is admitted that driving these arc dynamos by means of compound condensing engines would be more effi- cient, from coal to watts-at-arc, than the present motor-driven units which, as shown below, give an efficiency of transformation of 80-J per…
Engineering
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